let a = 12;
let b = 5;
let c = 99;

import d from "./m.js";

alert(d);

export {a,b,c};

export function sum (n1,n2) {
    return n1+n2;
}

export class Person{
    constructor(name,age) {
        this.name = name;
        this.age = age;
    }

    show() {
        alert(this.name);
    }
}

export default 'aaa';